JVC SP-PWM508 Service Manual

1-12 (No.MB294)
3.1.8 Removing the main board
(See Fig.11)
• Prior to performing the following procedures, remove the metal
cover, rear panel, audio & digital input board and tuner.
(1) From the top side of the main body, remove the screw Q
attaching the wire protection board to the main board.
(2) Take out the wire protection board, and disconnect the
card wires from the connectors (CN401
to CN403) on the
main board.
Reference:
When attaching the wire protection board, attach the
wire protection board after connecting the card wires to
the connectors (CN401
to CN403) on the main board.
(3) Disconnect the card wires from the connectors (CN450
and
CN460) on the main board.
(4) Disconnect the parallel wires from the connectors (CN404
to CN407, CN456 and CN457) on the main board.
(5) Remove the two screws R and screw R’ attaching the main
board on the bottom chassis.
Reference:
When attaching the screw R’, attach the earth wire with
it.
(6) Take out the main board from the main body.
Fig.11
Main board
R
R'
Q
Bottom chassis
Earth wire
CN404
CN407
CN406
CN405
CN402CN401
Wire protection board
CN457
CN460 CN456
CN403
CN450

JVC SP-PWM508 Specifications

General

Brand	JVC
Model	SP-PWM508
Category	Home Theater System
Language	English